Question: Which lake water body has the longest vertical depth?
Paraphrase: What lake has the deepest bottom?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q30092776 . ?ent wdt:P4511 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Hornavan, Torneträsk, Stor-Blåsjön, Mellan-Fryken, Storuman lake